# Table 1d: Variable Coverage Comparison

| Variable | Obs (69c) | Countries (69c) | Obs (140c) | Countries (140c) | Expansion ratio |
|:---|---:|---:|---:|---:|---:|
| ca_gdp | 2,653 | 69 | 5,241 | 141 | 2.0× |
| Z_1 | 2,691 | 69 | 5,499 | 141 | 2.0× |
| fiscal_bal_gdp | 2,310 | 69 | 4,607 | 141 | 2.0× |
| kaopen | 2,535 | 68 | 5,003 | 140 | 2.0× |
| nfa_gdp | 2,663 | 69 | 5,240 | 141 | 2.0× |
| gdp_pc_ppp | 2,380 | 68 | 4,828 | 138 | 2.0× |
| govt_bond_10y | 835 | 23 | 835 | 23 | 1.0× |
| short_rate_3m | 839 | 23 | 839 | 23 | 1.0× |
| lending_rate | 1,328 | 45 | 2,719 | 94 | 2.0× |
| life_expectancy | 2,584 | 68 | 5,320 | 140 | 2.1× |
| old_dep | 2,691 | 69 | 5,499 | 141 | 2.0× |
| youth_dep | 2,691 | 69 | 5,499 | 141 | 2.0× |
| gross_investment_gdp | 2,501 | 67 | 4,850 | 135 | 1.9× |
| trade_openness | 2,486 | 67 | 4,904 | 135 | 2.0× |
| pension_spending_gdp | 1,105 | 31 | 1,309 | 40 | 1.2× |